GB1486721A - Multichannel signal-handling systems and methods for compensating for variations in operating characteristics of a plurality of signal-handling channels - Google Patents
Multichannel signal-handling systems and methods for compensating for variations in operating characteristics of a plurality of signal-handling channelsInfo
- Publication number
- GB1486721A GB1486721A GB107/75A GB10775A GB1486721A GB 1486721 A GB1486721 A GB 1486721A GB 107/75 A GB107/75 A GB 107/75A GB 10775 A GB10775 A GB 10775A GB 1486721 A GB1486721 A GB 1486721A
- Authority
- GB
- United Kingdom
- Prior art keywords
- correction
- camera
- gain
- transducers
- zero
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/5205—Means for monitoring or calibrating
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/516,674 US3959770A (en) | 1974-10-21 | 1974-10-21 | Method and apparatus for error compensation in multichannel systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1486721A true GB1486721A (en) | 1977-09-21 |
Family
ID=24056634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB107/75A Expired GB1486721A (en) | 1974-10-21 | 1975-01-02 | Multichannel signal-handling systems and methods for compensating for variations in operating characteristics of a plurality of signal-handling channels |
Country Status (7)
Country | Link |
---|---|
US (1) | US3959770A (fr) |
JP (1) | JPS5843694B2 (fr) |
CA (1) | CA1034271A (fr) |
DE (1) | DE2506577C2 (fr) |
FR (1) | FR2289018A1 (fr) |
GB (1) | GB1486721A (fr) |
SE (1) | SE7511739L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4829490A (en) * | 1984-08-31 | 1989-05-09 | United Kingdom Atomic Energy Authority | Electrical signal discrimination |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075883A (en) * | 1976-08-20 | 1978-02-28 | General Electric Company | Ultrasonic fan beam scanner for computerized time-of-flight tomography |
US4121137A (en) * | 1976-11-12 | 1978-10-17 | Rca Corporation | System for achieving image uniformity in display devices |
FR2376419A1 (fr) * | 1977-01-04 | 1978-07-28 | Cgr Ultrasonic | Dispositif de visualisation en temps reel pour appareil d'echographie ultrasonore, utilisant un milieu d'interaction acousto-optique |
US4163209A (en) * | 1977-09-28 | 1979-07-31 | Harris Corporation | Technique for controlling memoryful non-linearities |
JPS5499379A (en) * | 1978-01-23 | 1979-08-06 | Tokyo Shibaura Electric Co | Ultrasonic video device |
US4296483A (en) * | 1980-06-30 | 1981-10-20 | Litton Resources Systems, Inc. | Method and means for measuring geophone parameters |
US4363122A (en) * | 1980-09-16 | 1982-12-07 | Northern Telecom Limited | Mitigation of noise signal contrast in a digital speech interpolation transmission system |
FR2502866B1 (fr) * | 1981-03-24 | 1986-07-18 | Thomson Csf | Dispositif de compensation des derives d'au moins une chaine de mesure et son application |
DE3135053A1 (de) * | 1981-09-04 | 1983-03-24 | Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München | "ultraschall-diagnosegeraet" |
JPS60138483A (ja) * | 1983-12-27 | 1985-07-23 | Yokogawa Medical Syst Ltd | 超音波診断装置 |
US4625542A (en) * | 1984-09-14 | 1986-12-02 | Tab Leasing | Radiation power measuring apparatus |
US4615007A (en) * | 1984-09-14 | 1986-09-30 | Audiometrics, Inc. | Audiologic testing method and apparatus with compensating means for soundwave attenuation through a transmitting medium |
US4597081A (en) * | 1985-03-13 | 1986-06-24 | Automatix Incorporated | Encoder interface with error detection and method therefor |
US4725950A (en) * | 1985-06-19 | 1988-02-16 | Syntrak, Inc. | Marine seismic signal processor with D.C. offset compensation method |
DE3529704A1 (de) * | 1985-08-20 | 1987-03-05 | Bosch Gmbh Robert | Verfahren zum kalibrieren elektroakustischer messgeraete |
US4799177A (en) * | 1985-12-31 | 1989-01-17 | The Boeing Company | Ultrasonic instrumentation for examination of variable-thickness objects |
US4752895A (en) * | 1985-12-31 | 1988-06-21 | The Boeing Company | Ultrasonic inspection system apparatus and method using multiple receiving transducers |
WO1987006704A1 (fr) * | 1986-04-30 | 1987-11-05 | Vsesojuzny Nauchno-Issledovatelsky Institut Po Str | Detecteur ultrasonique de defauts |
JP2937326B2 (ja) * | 1988-06-22 | 1999-08-23 | 株式会社東芝 | 論理回路のテスト容易化回路 |
FR2660436A1 (fr) * | 1990-03-30 | 1991-10-04 | Bertin & Cie | Microscope acoustique pour analyser un objet en surface ou en profondeur. |
US5055837A (en) * | 1990-09-10 | 1991-10-08 | Teleco Oilfield Services Inc. | Analysis and identification of a drilling fluid column based on decoding of measurement-while-drilling signals |
US5517994A (en) * | 1994-11-16 | 1996-05-21 | Advanced Technology Laboratories, Inc. | Self diagnostic ultrasonic imaging systems |
KR100246795B1 (ko) * | 1997-08-02 | 2000-03-15 | 윤종용 | 필터 및 부스트회로를 내장하는 칩의 설계변수 오차보상회로 |
JP2003092554A (ja) * | 2001-09-18 | 2003-03-28 | Fujitsu Ltd | 伝送特性補償制御方法および伝送特性補償制御装置並びに伝送特性補償制御システム |
US7428694B2 (en) | 2004-03-02 | 2008-09-23 | Stmicroelectronics S.A. | Device for protection against error injection into a synchronous flip-flop of an elementary logic module |
US7703327B2 (en) * | 2004-09-16 | 2010-04-27 | The Boeing Company | Apparatus and method for area limited-access through transmission ultrasonic inspection |
JP7254232B1 (ja) * | 2022-04-22 | 2023-04-07 | 株式会社日立パワーソリューションズ | アレイ型超音波送受信装置およびパルス信号生成部の駆動開始時間調整方法 |
CN116106525B (zh) * | 2023-04-13 | 2023-09-15 | 深圳市帝迈生物技术有限公司 | 血液分析仪 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3150327A (en) * | 1961-09-29 | 1964-09-22 | Gulf Res & Developement Compan | Self-adjusting attenuation equalizer |
US3691517A (en) * | 1969-07-25 | 1972-09-12 | Atlantic Richfield Co | Seismic holography |
US3794998A (en) * | 1972-04-26 | 1974-02-26 | Raytheon Co | Monopulse radar receiver with error correction |
DE2310242C2 (de) * | 1973-03-01 | 1981-09-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur gleichen Verstärkung von wenigstens zwei Hochfrequenzspannungen |
US3831135A (en) * | 1973-09-10 | 1974-08-20 | Trw Inc | Optical imaging of sound fields by heterodyning |
-
1974
- 1974-10-21 US US05/516,674 patent/US3959770A/en not_active Expired - Lifetime
-
1975
- 1975-01-02 GB GB107/75A patent/GB1486721A/en not_active Expired
- 1975-01-07 CA CA217,448A patent/CA1034271A/fr not_active Expired
- 1975-02-13 FR FR7504523A patent/FR2289018A1/fr active Granted
- 1975-02-17 DE DE2506577A patent/DE2506577C2/de not_active Expired
- 1975-02-17 JP JP50018951A patent/JPS5843694B2/ja not_active Expired
- 1975-10-20 SE SE7511739A patent/SE7511739L/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4829490A (en) * | 1984-08-31 | 1989-05-09 | United Kingdom Atomic Energy Authority | Electrical signal discrimination |
Also Published As
Publication number | Publication date |
---|---|
JPS5148387A (fr) | 1976-04-26 |
DE2506577C2 (de) | 1984-06-28 |
CA1034271A (fr) | 1978-07-04 |
DE2506577A1 (de) | 1976-04-29 |
SE7511739L (sv) | 1976-04-22 |
FR2289018B1 (fr) | 1979-03-02 |
JPS5843694B2 (ja) | 1983-09-28 |
FR2289018A1 (fr) | 1976-05-21 |
US3959770A (en) | 1976-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |